- Director's liability attaches to the period during which you actually held office.
- The law does place a time limit on how long after a valid resignation the CRA can issue a director's liability assessment against a former director.
- The limitation period generally starts running from the date of a valid, effective resignation — and this is where people run into trouble.
Resigning as a corporate director feels like closing a chapter — but if the corporation you're leaving has fallen behind on source deductions or GST/HST remittances, your exposure doesn't necessarily end the day you resign. The CRA can still assess a former director personally for amounts that went unremitted while they held office, and the window for doing so is measured from a specific point in time, not left open indefinitely.
If you're stepping down from a board, or you already have and are wondering whether you're in the clear, here's what actually matters.
Resigning Doesn't Erase Past Exposure
Director's liability attaches to the period during which you actually held office. Resigning stops new exposure from accruing after that date — it does not retroactively protect you from liability for remittances that were already overdue while you were still a director.
In other words, resignation is a line drawn going forward, not a reset button reaching backward.
There Is a Limitation Period — But Confirm the Exact Length
The law does place a time limit on how long after a valid resignation the CRA can issue a director's liability assessment against a former director. That limitation period exists specifically to give former directors eventual certainty that their exposure has closed.
This article deliberately doesn't state a specific number of years here. Limitation periods like this are precise, statute-driven figures, and getting the exact length wrong could give you false comfort at exactly the wrong moment. If you're weighing whether you're still exposed, confirm the current, correctly-cited period with a lawyer before assuming any particular date has passed.
What Starts the Clock: Proper Resignation Matters
The limitation period generally starts running from the date of a valid, effective resignation — and this is where people run into trouble. A resignation that isn't properly documented, or that isn't reflected in the corporation's own records and filings, can leave ambiguity about exactly when — or whether — it took legal effect.
Common issues that create uncertainty:
- Resigning verbally or informally, without a written resignation
- Continuing to act like a director (signing documents, attending meetings, being held out to third parties as a director) after supposedly resigning
- Failing to ensure the corporation's records and government filings are updated to reflect the resignation
- Ambiguity about the exact date the resignation was received and became effective
If your resignation date is unclear or undocumented, you may not be able to rely on it starting the clock at all.
Practical Steps When You Resign
- Resign in writing, addressed to the corporation, stating the effective date clearly.
- Keep your own copy, with proof of when and how it was delivered (email, courier, etc.).
- Confirm the corporation updates its internal records and any required government filings to reflect your resignation — don't assume someone else will do this promptly.
- Stop acting as a director from the effective date — don't continue signing as one "just this once."
- Ask about the corporation's remittance status before you resign, if you're able to — knowing what you're walking away from matters for your own risk assessment.
If You're Already Being Assessed as a Former Director
Receiving a director's liability assessment after you've resigned doesn't necessarily mean the CRA has the timing wrong — but it's worth checking carefully rather than assuming the assessment is correct by default.
- Confirm the exact date the CRA is treating as your resignation date, and compare it against your own documentation. A discrepancy here can matter a great deal.
- Check whether the amounts being assessed relate to a period before or after your documented resignation date. You should not be liable for remittance failures that occurred entirely after you left, assuming your resignation was properly effective.
- Don't assume the assessment is final just because it arrived. Like other CRA assessments, a director's liability assessment can generally be disputed through the objection process if you believe it's wrong — including wrong about timing.
Frequently asked questions
If I resign, am I automatically off the hook for everything?
No. You remain exposed for amounts that went unremitted while you were still a director. Resignation only stops new exposure from that point forward, and even that protection depends on the resignation being properly documented and effective.
What if the corporation never updated its records to show I resigned?
This can create real uncertainty about when — or whether — your resignation was legally effective, which in turn affects when any limitation period starts running. This is exactly the kind of situation worth getting a lawyer to help clean up.
Does it matter why I resigned?
The reason generally doesn't affect the legal analysis of when liability exposure ends, though if you resigned specifically because you were concerned about remittance problems, documenting that concern in writing can also support a due diligence defence for the period before you left.
I resigned years ago — how do I find out if I'm still exposed?
Start by confirming the actual effective date of your resignation and how it was documented, then speak with a lawyer about how the current limitation period applies to that date. Don't rely on general assumptions about timing.
Can I be reassessed after successfully defending an earlier director's liability claim?
Generally, once a specific assessment has been fully and finally resolved — whether by payment, a successful objection, or an appeal decision — the CRA cannot simply reassess the same amount again on the same basis. If new amounts or new periods are involved, though, that's a separate question from the earlier resolved claim.
This is a tax question
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